package com.zhuimeng.redisdemo.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

@Configuration
public class RedisConfig{
    @Bean
    @SuppressWarnings("all")
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
        //连接工厂
        template.setConnectionFactory(factory);

        // 序列化配置 解析任意对象
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        // json序列化利用ObjectMapper进行转义
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); //指定要序列化的域，filed，get和set、Any是包括private// 和public
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);//
        jackson2JsonRedisSerializer.setObjectMapper(om);
        // value序列化方式采用jackson
        template.setValueSerializer(jackson2JsonRedisSerializer);
        // hash的value序列化方式采用jackson
        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        // 2.序列化String类型
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // key采用String的序列化方式
        template.setKeySerializer(stringRedisSerializer);
        // hash的key也采用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);
        template.afterPropertiesSet();

        return template;
    }

    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        RedisCacheManager redisCacheManager =
                RedisCacheManager.builder(factory)
                        .cacheDefaults(defaultCacheConfig(10000))
                        .transactionAware()
                        .build();
        return  redisCacheManager;
    }

    private RedisCacheConfiguration defaultCacheConfig(Integer second) {
        Jackson2JsonRedisSerializer<Object> serializer =
                new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper mapper = new ObjectMapper();
        mapper.setVisibility(PropertyAccessor.ALL,JsonAutoDetect.Visibility.ANY);
        mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        serializer.setObjectMapper(mapper);

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofSeconds(second))
                .serializeKeysWith(RedisSerializationContext
                        .SerializationPair
                        .fromSerializer(new StringRedisSerializer()))
                .serializeValuesWith(
                        RedisSerializationContext
                                .SerializationPair
                                .fromSerializer(serializer))
                .disableCachingNullValues();
        return config;
    }


}
